9. Which of the following interface design principles does not allow the user to remain in control of the interaction with a computer?a. allow interaction to interruptibleb. allow interaction to be undoablec. hide technical internals from casual usersd. only provide one defined method for accomplishing a taskAns :- d

10. Which of the following is not a method of accessing the web?a. ISDNb. DSLc. Modemd. CPUAns :- d 11. The Macintosh menu bar is faster than the Windows menu bar primarily because of:a. the power law of practiceb. task analysisc. Fitt’s Lawd. perceptual fusionAns :- c